Why is there always a "sword" in Tang poetry?

In ancient times, there was a Li Bai who said, "I left my food bar and cup. I couldn't eat or drink. I pulled out my dagger and I peeped in four directions in vain." Li Bai-su sought a good sword all his life, or someone once asked him, "Do you like geometry?" Li Bai said to him, "Good sword, good wine and good poem." It can be seen that the sword is before the wine poem Li Bai is Brewmaster, and the son of heaven can't get on the boat. Why do you like swords? It turns out that this is a state of mind. It is easier to express your inner feelings by experiencing the changes in the world, and it is easier to blend in with the environment and wander in the breeze that follows. Sword is the chivalrous wind in ancient China. The ancients said, "It's fun to suddenly ask for a sword." This is what everyone in the Tang Dynasty said. Ordinary people can't say it because of their different moods. What kind of mood a poet has, he will entrust his poetry book to what kind of things. Li Bai's love for swords is also because he wanders around the rivers and lakes and is natural and unrestrained. Other poets also have loyalty to the country and live a carefree life: they began to levy priests in the morning and went to their hometown to mourn. In the morning, the sword dance rises in the sun, and the sword dance dispels the morning light. This is the poet's infinite love for life and the motherland, so he often writes swords. Today, why don't we dance with Long Eagle Luan * * * and draw a sword with it with the long-cherished wish of serving our country faithfully? This is called: "worry about the world first, and then enjoy the world"!